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/*
Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <dcp/subtitle_string.h>
#include "subrip_decoder.h"
#include "subrip_content.h"
using std::list;
using std::vector;
using std::string;
using std::cout;
using boost::shared_ptr;
using boost::optional;
SubRipDecoder::SubRipDecoder (shared_ptr<const SubRipContent> content)
: SubtitleDecoder (content)
, SubRip (content)
, _next (0)
{
}
void
SubRipDecoder::seek (ContentTime time, bool accurate)
{
SubtitleDecoder::seek (time, accurate);
_next = 0;
while (_next < _subtitles.size() && ContentTime::from_seconds (_subtitles[_next].from.all_as_seconds ()) < time) {
++_next;
}
}
bool
SubRipDecoder::pass (PassReason)
{
if (_next >= _subtitles.size ()) {
return true;
}
/* XXX: we are ignoring positioning specified in the file */
list<dcp::SubtitleString> out;
for (list<sub::Line>::const_iterator i = _subtitles[_next].lines.begin(); i != _subtitles[_next].lines.end(); ++i) {
for (list<sub::Block>::const_iterator j = i->blocks.begin(); j != i->blocks.end(); ++j) {
out.push_back (
dcp::SubtitleString (
SubRipContent::font_id,
j->italic,
dcp::Colour (255, 255, 255),
j->font_size.points (72 * 11),
1.0,
dcp::Time (_subtitles[_next].from.all_as_seconds()),
dcp::Time (_subtitles[_next].to.all_as_seconds()),
i->vertical_position.line.get() * (1.5 / 22) + 0.8,
dcp::TOP,
j->text,
dcp::NONE,
dcp::Colour (255, 255, 255),
0,
0
)
);
}
}
text_subtitle (out);
++_next;
return false;
}
list<ContentTimePeriod>
SubRipDecoder::image_subtitles_during (ContentTimePeriod, bool) const
{
return list<ContentTimePeriod> ();
}
list<ContentTimePeriod>
SubRipDecoder::text_subtitles_during (ContentTimePeriod p, bool starting) const
{
/* XXX: inefficient */
list<ContentTimePeriod> d;
for (vector<sub::Subtitle>::const_iterator i = _subtitles.begin(); i != _subtitles.end(); ++i) {
ContentTimePeriod t (
ContentTime::from_seconds (i->from.all_as_seconds()),
ContentTime::from_seconds (i->to.all_as_seconds())
);
if ((starting && p.contains (t.from)) || (!starting && p.overlaps (t))) {
d.push_back (t);
}
}
return d;
}
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